Question

A body travels a uniform distance (13.8+-0.2) in a time (4+-0.3) then velocity of body

Answer 1

velocity=displacement/time

ERROR IN VELOCITY=?

d=(13.8±0.2)

t=(4±0.3)

v=13.8/4= 3.45m/s

ΔV/V=ΔD/D+ΔT/T

ΔV/3.45=0.2/13.8+0.3/4

ΔV/3.45=0.014+0.075

ΔV=3.45*0.089

ΔV=0.30705

ΔV≈0.3

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